./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark01_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1f52e683-7327-4632-a998-1c90376a63f0/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1f52e683-7327-4632-a998-1c90376a63f0/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1f52e683-7327-4632-a998-1c90376a63f0/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1f52e683-7327-4632-a998-1c90376a63f0/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark01_conjunctive.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1f52e683-7327-4632-a998-1c90376a63f0/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1f52e683-7327-4632-a998-1c90376a63f0/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 943a72d31eebdcd925e39756b65615d2a6fd2676 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 20:52:40,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:52:40,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:52:40,709 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:52:40,710 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:52:40,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:52:40,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:52:40,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:52:40,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:52:40,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:52:40,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:52:40,747 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:52:40,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:52:40,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:52:40,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:52:40,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:52:40,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:52:40,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:52:40,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:52:40,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:52:40,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:52:40,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:52:40,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:52:40,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:52:40,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:52:40,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:52:40,779 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:52:40,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:52:40,782 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:52:40,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:52:40,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:52:40,785 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:52:40,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:52:40,788 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:52:40,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:52:40,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:52:40,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:52:40,790 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:52:40,791 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:52:40,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:52:40,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:52:40,794 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1f52e683-7327-4632-a998-1c90376a63f0/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2020-11-29 20:52:40,833 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:52:40,833 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:52:40,835 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 20:52:40,835 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 20:52:40,836 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:52:40,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:52:40,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:52:40,837 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:52:40,837 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 20:52:40,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:52:40,838 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:52:40,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:52:40,839 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 20:52:40,839 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:52:40,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 20:52:40,840 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-29 20:52:40,840 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:52:40,840 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:52:40,840 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:52:40,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 20:52:40,841 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 20:52:40,841 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 20:52:40,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:52:40,842 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:52:40,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 20:52:40,842 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:52:40,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:52:40,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 20:52:40,843 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 20:52:40,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 20:52:40,843 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 20:52:40,844 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_1f52e683-7327-4632-a998-1c90376a63f0/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1f52e683-7327-4632-a998-1c90376a63f0/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 943a72d31eebdcd925e39756b65615d2a6fd2676 [2020-11-29 20:52:41,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:52:41,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:52:41,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:52:41,136 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:52:41,136 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:52:41,137 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1f52e683-7327-4632-a998-1c90376a63f0/bin/ukojak/../../sv-benchmarks/c/loop-zilu/benchmark01_conjunctive.i [2020-11-29 20:52:41,208 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1f52e683-7327-4632-a998-1c90376a63f0/bin/ukojak/data/7bfc896e4/b4c853de39d84d33a32af39618d8e6e3/FLAG43130d6fe [2020-11-29 20:52:41,647 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:52:41,647 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1f52e683-7327-4632-a998-1c90376a63f0/sv-benchmarks/c/loop-zilu/benchmark01_conjunctive.i [2020-11-29 20:52:41,653 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1f52e683-7327-4632-a998-1c90376a63f0/bin/ukojak/data/7bfc896e4/b4c853de39d84d33a32af39618d8e6e3/FLAG43130d6fe [2020-11-29 20:52:42,049 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1f52e683-7327-4632-a998-1c90376a63f0/bin/ukojak/data/7bfc896e4/b4c853de39d84d33a32af39618d8e6e3 [2020-11-29 20:52:42,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:52:42,052 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:52:42,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:52:42,054 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:52:42,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:52:42,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:52:42" (1/1) ... [2020-11-29 20:52:42,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fdc34f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:52:42, skipping insertion in model container [2020-11-29 20:52:42,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:52:42" (1/1) ... [2020-11-29 20:52:42,075 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:52:42,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:52:42,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:52:42,254 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:52:42,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:52:42,283 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:52:42,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:52:42 WrapperNode [2020-11-29 20:52:42,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:52:42,285 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:52:42,285 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:52:42,285 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:52:42,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:52:42" (1/1) ... [2020-11-29 20:52:42,298 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:52:42" (1/1) ... [2020-11-29 20:52:42,312 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:52:42,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:52:42,313 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:52:42,313 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:52:42,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:52:42" (1/1) ... [2020-11-29 20:52:42,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:52:42" (1/1) ... [2020-11-29 20:52:42,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:52:42" (1/1) ... [2020-11-29 20:52:42,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:52:42" (1/1) ... [2020-11-29 20:52:42,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:52:42" (1/1) ... [2020-11-29 20:52:42,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:52:42" (1/1) ... [2020-11-29 20:52:42,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:52:42" (1/1) ... [2020-11-29 20:52:42,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:52:42,334 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:52:42,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:52:42,334 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:52:42,335 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:52:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1f52e683-7327-4632-a998-1c90376a63f0/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 20:52:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:52:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:52:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:52:42,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:52:42,770 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:52:42,770 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 20:52:42,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:52:42 BoogieIcfgContainer [2020-11-29 20:52:42,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:52:42,773 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 20:52:42,773 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 20:52:42,783 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 20:52:42,784 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:52:42" (1/1) ... [2020-11-29 20:52:42,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:52:42,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:52:42,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2020-11-29 20:52:42,825 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2020-11-29 20:52:42,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-29 20:52:42,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:52:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:52:42,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:52:43,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:52:43,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2020-11-29 20:52:43,008 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2020-11-29 20:52:43,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-29 20:52:43,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:52:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:52:43,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:52:43,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:52:43,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2020-11-29 20:52:43,158 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2020-11-29 20:52:43,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-29 20:52:43,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:52:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:52:43,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:52:43,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:52:43,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2020-11-29 20:52:43,324 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2020-11-29 20:52:43,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 20:52:43,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:52:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:52:43,413 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:52:43,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:52:43,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2020-11-29 20:52:43,499 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2020-11-29 20:52:43,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 20:52:43,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:52:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:52:43,588 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:52:43,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:52:43,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2020-11-29 20:52:43,703 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2020-11-29 20:52:43,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 20:52:43,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:52:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:52:43,761 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:52:43,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:52:43,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2020-11-29 20:52:43,870 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2020-11-29 20:52:43,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 20:52:43,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:52:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:52:43,970 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:52:44,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:52:44,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2020-11-29 20:52:44,084 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2020-11-29 20:52:44,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 20:52:44,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:52:44,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:52:44,172 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:52:44,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:52:44,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2020-11-29 20:52:44,264 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2020-11-29 20:52:44,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 20:52:44,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:52:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:52:44,361 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:52:44,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:52:44,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2020-11-29 20:52:44,480 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2020-11-29 20:52:44,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 20:52:44,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:52:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:52:44,564 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:52:44,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:52:44,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2020-11-29 20:52:44,687 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2020-11-29 20:52:44,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-29 20:52:44,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:52:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:52:44,757 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:52:44,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:52:44,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 48 transitions. [2020-11-29 20:52:44,865 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2020-11-29 20:52:44,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 20:52:44,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:52:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:52:44,945 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:52:45,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:52:45,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 40 states and 52 transitions. [2020-11-29 20:52:45,091 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 52 transitions. [2020-11-29 20:52:45,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-29 20:52:45,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:52:45,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:52:45,192 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:52:45,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:52:45,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 43 states and 56 transitions. [2020-11-29 20:52:45,332 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2020-11-29 20:52:45,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-29 20:52:45,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:52:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:52:45,429 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:52:45,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:52:45,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2020-11-29 20:52:45,611 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2020-11-29 20:52:45,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 20:52:45,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:52:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:52:45,717 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:52:45,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:52:45,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 49 states and 64 transitions. [2020-11-29 20:52:45,876 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2020-11-29 20:52:45,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-29 20:52:45,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:52:45,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:52:46,010 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:52:46,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:52:46,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 52 states and 68 transitions. [2020-11-29 20:52:46,156 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 68 transitions. [2020-11-29 20:52:46,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-29 20:52:46,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:52:46,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:52:46,258 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:52:46,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:52:46,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2020-11-29 20:52:46,420 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2020-11-29 20:52:46,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-29 20:52:46,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:52:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:52:46,540 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:52:46,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:52:46,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 58 states and 76 transitions. [2020-11-29 20:52:46,706 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 76 transitions. [2020-11-29 20:52:46,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-29 20:52:46,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:52:46,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:52:46,866 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:52:47,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:52:47,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions. [2020-11-29 20:52:47,066 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2020-11-29 20:52:47,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-29 20:52:47,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:52:47,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:52:47,157 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:52:47,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:52:47,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 64 states and 84 transitions. [2020-11-29 20:52:47,332 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 84 transitions. [2020-11-29 20:52:47,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-29 20:52:47,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:52:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:52:47,483 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:52:47,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:52:47,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 67 states and 88 transitions. [2020-11-29 20:52:47,645 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2020-11-29 20:52:47,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-11-29 20:52:47,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:52:47,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:52:47,753 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:52:47,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:52:47,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 70 states and 92 transitions. [2020-11-29 20:52:47,977 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2020-11-29 20:52:47,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-11-29 20:52:47,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:52:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:52:48,137 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:52:48,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:52:48,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 73 states and 96 transitions. [2020-11-29 20:52:48,365 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2020-11-29 20:52:48,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-11-29 20:52:48,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:52:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:52:48,520 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 0 proven. 737 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:52:48,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:52:48,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 76 states and 100 transitions. [2020-11-29 20:52:48,771 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 100 transitions. [2020-11-29 20:52:48,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-11-29 20:52:48,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:52:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:52:48,952 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 0 proven. 805 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:52:49,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:52:49,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 79 states and 104 transitions. [2020-11-29 20:52:49,230 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 104 transitions. [2020-11-29 20:52:49,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-11-29 20:52:49,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:52:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:52:49,400 INFO L134 CoverageAnalysis]: Checked inductivity of 876 backedges. 0 proven. 876 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:52:49,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:52:49,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 82 states and 108 transitions. [2020-11-29 20:52:49,630 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 108 transitions. [2020-11-29 20:52:49,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-11-29 20:52:49,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:52:49,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:52:49,790 INFO L134 CoverageAnalysis]: Checked inductivity of 950 backedges. 0 proven. 950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:52:50,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:52:50,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 85 states and 112 transitions. [2020-11-29 20:52:50,038 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 112 transitions. [2020-11-29 20:52:50,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-11-29 20:52:50,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:52:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:52:50,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1027 backedges. 0 proven. 1027 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:52:50,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:52:50,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 88 states and 116 transitions. [2020-11-29 20:52:50,473 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 116 transitions. [2020-11-29 20:52:50,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-11-29 20:52:50,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:52:50,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:52:50,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 1107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:52:50,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:52:50,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 91 states and 120 transitions. [2020-11-29 20:52:50,897 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 120 transitions. [2020-11-29 20:52:50,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-11-29 20:52:50,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:52:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:52:51,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:52:51,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:52:51,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 94 states and 124 transitions. [2020-11-29 20:52:51,322 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 124 transitions. [2020-11-29 20:52:51,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-11-29 20:52:51,323 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:52:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:52:51,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1276 backedges. 0 proven. 1276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:52:51,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:52:51,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 97 states and 128 transitions. [2020-11-29 20:52:51,780 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 128 transitions. [2020-11-29 20:52:51,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-11-29 20:52:51,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:52:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:52:51,823 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:52:51,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:52:51,878 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:52:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:52:51,963 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:52:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:52:51,996 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:52:52,057 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 32 iterations. [2020-11-29 20:52:52,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 08:52:52 ImpRootNode [2020-11-29 20:52:52,150 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 20:52:52,150 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:52:52,151 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:52:52,151 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:52:52,151 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:52:42" (3/4) ... [2020-11-29 20:52:52,153 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 20:52:52,288 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1f52e683-7327-4632-a998-1c90376a63f0/bin/ukojak/witness.graphml [2020-11-29 20:52:52,294 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:52:52,297 INFO L168 Benchmark]: Toolchain (without parser) took 10243.13 ms. Allocated memory was 88.1 MB in the beginning and 232.8 MB in the end (delta: 144.7 MB). Free memory was 57.3 MB in the beginning and 101.2 MB in the end (delta: -43.9 MB). Peak memory consumption was 100.7 MB. Max. memory is 16.1 GB. [2020-11-29 20:52:52,298 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 88.1 MB. Free memory was 47.2 MB in the beginning and 47.2 MB in the end (delta: 34.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:52:52,298 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.06 ms. Allocated memory is still 88.1 MB. Free memory was 57.1 MB in the beginning and 66.8 MB in the end (delta: -9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 20:52:52,298 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.47 ms. Allocated memory is still 88.1 MB. Free memory was 66.8 MB in the beginning and 65.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:52:52,299 INFO L168 Benchmark]: Boogie Preprocessor took 20.52 ms. Allocated memory is still 88.1 MB. Free memory was 65.2 MB in the beginning and 64.3 MB in the end (delta: 973.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:52:52,299 INFO L168 Benchmark]: RCFGBuilder took 438.20 ms. Allocated memory is still 88.1 MB. Free memory was 64.3 MB in the beginning and 48.9 MB in the end (delta: 15.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 20:52:52,301 INFO L168 Benchmark]: CodeCheck took 9377.05 ms. Allocated memory was 88.1 MB in the beginning and 232.8 MB in the end (delta: 144.7 MB). Free memory was 48.5 MB in the beginning and 106.5 MB in the end (delta: -58.0 MB). Peak memory consumption was 88.6 MB. Max. memory is 16.1 GB. [2020-11-29 20:52:52,303 INFO L168 Benchmark]: Witness Printer took 144.26 ms. Allocated memory is still 232.8 MB. Free memory was 106.5 MB in the beginning and 101.2 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 20:52:52,310 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.2s, OverallIterations: 32, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1073741824 SDtfs, -1073741832 SDslu, 2147483640 SDs, 0 SdLazy, 1073741802 SolverSat, 2147483642 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10161 GetRequests, 8763 SyntacticMatches, 1276 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5978 ImplicationChecksByTransitivity, 5.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1524 NumberOfCodeBlocks, 1524 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 1399 ConstructedInterpolants, 0 QuantifiedInterpolants, 419959 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 2 PerfectInterpolantSequences, 0/13050 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 24]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int x = __VERIFIER_nondet_int(); [L21] int y = __VERIFIER_nondet_int(); [L22] COND FALSE !(!(x==1 && y==1)) [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x [L23] COND TRUE __VERIFIER_nondet_bool() [L24] EXPR x+y [L24] x=x+y [L25] y=x [L23] COND TRUE __VERIFIER_nondet_bool() [L24] x+y * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 88.1 MB. Free memory was 47.2 MB in the beginning and 47.2 MB in the end (delta: 34.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 230.06 ms. Allocated memory is still 88.1 MB. Free memory was 57.1 MB in the beginning and 66.8 MB in the end (delta: -9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 27.47 ms. Allocated memory is still 88.1 MB. Free memory was 66.8 MB in the beginning and 65.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.52 ms. Allocated memory is still 88.1 MB. Free memory was 65.2 MB in the beginning and 64.3 MB in the end (delta: 973.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 438.20 ms. Allocated memory is still 88.1 MB. Free memory was 64.3 MB in the beginning and 48.9 MB in the end (delta: 15.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * CodeCheck took 9377.05 ms. Allocated memory was 88.1 MB in the beginning and 232.8 MB in the end (delta: 144.7 MB). Free memory was 48.5 MB in the beginning and 106.5 MB in the end (delta: -58.0 MB). Peak memory consumption was 88.6 MB. Max. memory is 16.1 GB. * Witness Printer took 144.26 ms. Allocated memory is still 232.8 MB. Free memory was 106.5 MB in the beginning and 101.2 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...